(~s)
1.
Prophylactic means concerned with preventing disease. (MEDICAL)
Vaccination and other ~ measures can be carried out.
= preventive
ADJ: usu ADJ n
2.
A ~ is a substance or device used for preventing disease. (MEDICAL)
The region began to use quinine successfully as a ~.
N-COUNT
3.
A ~ is a condom. (FORMAL)
N-COUNT